You can search for identifiers within the package.
in-package search v0.2.0
type value = [
| `Int of int
| `Float of float
| `String of string
]
type dense = value list
type sparse = (int * value) list
type row = [
| `Dense of dense
| `Sparse of sparse
| `EOF
type header = [
| `Dense of string list
| `Sparse of (int * string) list
type opt_row = value option list